ST92F124JDV2TC 查看數據表（PDF） - STMicroelectronics

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ST92F124JDV2TC

8/16-BIT SINGLE VOLTAGE FLASH MCU FAMILY WITH RAM, E³ ™ (EMULATED EEPROM), CAN 2.0B AND J1850 BLPD

STMicroelectronics 

J1850 Byte Level Protocol Decoder (JBLPD)

J1850 BYTE LEVEL PROTOCOL DECODER (Cont’d)

Figure 135. J1850 Arbitration Example

Transmitting

Node A

Transmitting

Node B

Transmitting

Node C

Signal

on Bus

Active

Passive

Active

Passive

Active

Passive

Active

Passive

0 0 110 001

SOF

0 0 110 00 0

SOF

0 0 1101

SOF

0 0 110 00 0

SOF

Figure 136. J1850 Received Symbol Timing

VPWO

Case 1 VPWI

VPW Decoder

VPWO

TX2

Case 2

VPWI

VPW Decoder

VPWO

TX2

Case 3

VPWI

VPW Decoder

0 14

-6 8 22

178 µs

178 µs

178 µs

200 214

192 208 222

292/429

9

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